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Surface texture and roughness of polished nanofill and nanohybrid resin composites
Dental resin composite Polishability Surface roughness
2010/11/26
Nanofiller-containing resin composites have gained appreciable market share in dentistry due to their claims of high mechanical strength and low polymerization contraction. In this study, the polishab...
The effect of surface roughness on the Weibull distribution of porcelain strength
Weibull modulus Surface roughness Flexural strength
2010/11/26
The purpose of the present study was to test the hypothesis that glazing will affect the Weibull modulus or the mean flexural strength of dental porcelain. Four groups (n = 30) of specimens were prepa...
Peroxide bleaching agent effects on enamel surface microhardness, roughness and morphology
Tooth bleaching Peroxides Dental enamel
2009/10/20
The aim of this study was to evaluate the surface roughness, microhardness and morphology of human enamel exposed to six bleaching agents (at baseline and post-treatment). Human dental enamel samples ...
Evaluation of the roughness and mass loss of the flowable composites after simulated toothbrushing abrasion
Composite resins Tooth abrasion Surface properties Toothbrushing
2009/10/20
The purpose of this study was to measure mass loss and surface roughness changes of different brands of flowable resin composites after a simulated toothbrushing test. The null hypotheses were that th...
Assessment in vitro of brushing on dental surface roughness alteration by laser interferometry
Tooth abrasion Dentifrices Toothbrushing
2009/10/16
Noncarious cervical lesions (NCCLs) are considered to be of multifactorial origin, normally associated with inadequate brushing. This study assessed the influence in vitro of simulated brushing on NCC...
Evaluation of hardness and surface roughness of two maxillofacial silicones following disinfection
Maxillofacial prosthesis Disinfection Hardness
2009/10/16
The purpose of this study was to evaluate the Shore A hardness and surface roughness of two silicones for maxillofacial prosthetic treatment, under the influence of chemical disinfection and storage. ...
Titanium Surface Roughness Accelerates RANKL-dependent Differentiation in the Osteoclast Precursor Cell Line,RAW264.7
Titanium Osteoclast Implant
2009/9/14
The present study was a molecular analysis of the initial differentiation of osteoclast precursor RAW264.7 cells on titanium specimens. RAW264.7 cell line was cultured on titanium specimens of which t...
Compressive Strength,Surface Roughness,Fluoride Release and Recharge of Four New Fluoride-releasing Fissure Sealants
Fissure sealants Fluoride release Physical properties
2009/9/14
The aim of this study was to investigate the compressive strength and surface roughness of two glass ionomer cements and two resin-based fissure sealants before and after fluoride release and recharge...
Effect of one-step polishing systems on surface roughness of different flowable restorative materials
Polishing Surface roughness Flowable composite
2009/9/14
The purpose of this study was to investigate the influence of one-step polishing systems on the surface roughness of different flowable composites and a microhybrid composite. A total of 120 disks wer...
Influence of Storage Methods on the Surface Roughness of Tissue Conditioners
Surface roughness Tissue conditioner Storage method
2009/9/11
The purpose of this study was to compare the influence of three kinds of storage methods on surface roughness of tissue conditioners. Four commercial tissue conditioners (GC Soft Liner, Softone, Ficti...
Effect of surface roughness on initial responses of osteoblast-like cells on two types of zirconia
Zirconia Surface roughness Osteoblast
2009/9/11
The aim of this study was to evaluate the effect of surface roughness on the initial attachment of mouse osteoblast-like cells on ceriastabilized zirconia/alumina nanocomposite (NANOZR) and yttria-sta...
Effects of thermal cycling and surface roughness on the Weibull distribution of porcelain strength
Thermal cycling Weibull modulus Dental porcelain
2009/9/11
The objective of this study was to test the hypothesis that thermal cycling weakens the flexural strength of porcelain. Specimens of Deguceram Gold and Vita Omega 900 were tested in four groups of 30 ...
Comparison of Quadratic- and Median-Based Roughness Penalties for Penalized-Likelihood Sinogram Restoration in Computed Tomography
Penalized-Likelihood Sinogram Restoration Computed Tomography
2009/9/8
We have compared the performance of two different penalty choices for a penalized-likelihood sinogram-restoration strategy we have been developing. One is a quadratic penalty we have employed previous...
Microtensile Bond Strength of Indirect Resin Composite to Resin-coated Dentin:Interaction between Diamond Bur Roughness and Coating Material
Diamond bur roughness Resin coating Microtensile bond strength Indirect composite restoration
2010/1/21
This aim of this study was to determine the effect of type of bur and resin-coating material on microtensile bond strength (μTBS) of indirect composite to dentin. Dentin surfaces were first ground wit...
Microtensile Bond Strength of Indirect Resin Composite to Resin-coated Dentin: Interaction between Diamond Bur Roughness and Coating Material
Diamond bur roughness Resin coating Microtensile bond strength
2010/12/1
This aim of this study was to determine the effect of type of bur and resin-coating material on microtensile bond strength (μTBS) of indirect composite to dentin. Dentin surfaces were first ground wit...